
.fw-b{
  font-weight: bold!important
}

.fs(@num) when (@num < 100){
  @name:(@num);
  @size:(@num)px;
  .fs-@{name}{
      font-size:@size!important;
  }
  .fs((@num+1))
}
.fs(1);

.fw(@num) when (@num < 900){
  @name:(@num);
  .fw-@{name}{
      font-weight:@size!important;
  }
  .fw((@num+100))
}
.fs(100);